<template>
  <div class="wrapper">
    <!--头部-->
    <header>
      <p>在线支付</p>
    </header>
    <!--订单信息-->
    <h3>订单信息：</h3>
    <div class="order-info">
      <p>
        {{ orders.business.businessName }}
        <i class="fa fa-caret-down" @click="detailedShow"></i>
      </p>
      <p>&#165;{{ orders.orderTotal }}</p>
    </div>
    <!--订单明细-->
    <ul class="order-detailed" v-show="isShowDetailed">
      <li v-for="item in orders.orderDetailList">
        <p>{{ item.food.foodName }} × {{ item.quantity }}</p>
        <p>&#165;{{ item.food.foodPrice * item.quantity }}</p>
      </li>
      <li>
        <p>配送费</p>
        <p>&#165;{{ orders.business.deliveryPrice }}</p>
      </li>
    </ul>
    <!--支付方式-->
    <ul class="payment-type">
      <li @click="setPaymentId(0)">
        <img src="../assets/zf01.png">
        <i class="fa fa-check-circle" v-show="paymentId==0"></i>
      </li>
      <li @click="setPaymentId(1)">
        <img src="../assets/zf02.png">
        <i class="fa fa-check-circle" v-show="paymentId==1"></i>
      </li>
    </ul>
    <div class="payment-button">
      <button>确认支付</button>
    </div>
    <!--底部菜单-->
    <Footer></Footer>
  </div>
</template>

<script>
import Footer from "@/components/Footer";

export default {
  name: "Payment",
  data() {
    return {
      orderId: this.$route.query.orderId,
      orders: {
        business: {}
      },
      isShowDetailed: false,
      paymentId: 0
    }
  },
  created() {
    //获取订单
    this.$axios.get('getOrdersById', {
      params: {
        orderId: this.orderId
      }
    }).then(response => {
      this.orders = response.data;
    }).catch(error => {
      console.error(error);
    });
  },
  mounted() {
    //一旦路由到在线支付组件，就不能再回到订单确认组件
    //现将当前url添加到history对象中
    history.pushState(null, null, document.URL);
    //popstate事件能够监听history对象的变化
    window.onpopstate = () => {
      this.$router.push({path: '/index'});
    }
  },
  destroyed() {
    //离开页面时取消监听后的动作
    window.onpopstate = null;
  },
  components: {Footer},
  methods: {
    //切换状态
    detailedShow() {
      this.isShowDetailed = !this.isShowDetailed;
    },
    //用于支付方式选择
    setPaymentId(paymentId) {
      this.paymentId = paymentId;
    }
  }
}
</script>

<style scoped>
/**************************总容器**************************/
.wrapper {
  width: 100%;
  height: 100%;
}

/**************************header**************************/
.wrapper header {
  width: 100%;
  height: 12vw;
  background-color: #0097FF;
  color: #FFF;
  font-size: 4.8vw;

  position: fixed;
  left: 0;
  top: 0;
  z-index: 1000;

  display: flex;
  justify-content: center;
  align-items: center;
}

/**************************订单信息**************************/
.wrapper h3 {
  margin-top: 12vw;
  box-sizing: border-box;
  padding: 4vw 4vw 0;

  font-size: 4vw;
  font-weight: 300;
  color: #999;
}

.wrapper .order-info {
  box-sizing: border-box;
  padding: 4vw;

  font-size: 4vw;
  color: #666;

  display: flex;
  justify-content: space-between;
  align-items: center;
}

.wrapper .order-info p:last-child {
  color: orangered;
}

/**************************订单明细**************************/
.wrapper .order-detailed {
  width: 100%;
}

.wrapper .order-detailed li {
  box-sizing: border-box;
  padding: 1vw 4vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.wrapper .order-detailed li p {
  font-size: 3vw;
  color: #666;
}

/**************************支付方式**************************/
.wrapper .payment-type {
  width: 100%;
}

.wrapper .payment-type li {
  width: 100%;
  box-sizing: border-box;
  padding: 4vw;

  display: flex;
  justify-content: space-between;
  align-items: center;
}

.wrapper .payment-type li img {
  width: 33vw;
  height: 8.9vw;
}

.wrapper .payment-type li .fa-check-circle {
  font-size: 5vw;
  color: #38CA73;
}

.wrapper .payment-button {
  width: 100%;
  box-sizing: border-box;
  padding: 4vw;
}

.wrapper .payment-button button {
  width: 100%;
  height: 10vw;
  border: none;
  font-size: 4vw;
  /*去掉外轮廓线*/
  outline: none;
  border-radius: 4px;
  background-color: #38CA73;
  color: #fff;
}
</style>